MCQ
A coordinate bond is formed when an atom in a molecule has
- AElectric charge on it
- BAll its valency electrons shared
- CA single unshared electron
- ✓One or more unshared electron pair
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$\Delta {H_{{\rm{System}}}} = 2000\ kJ/mol$
$T = 400\ K$
Find out value of $\Delta {S_{{\rm{System}}}}$..........$ kJ/mol-K$
| Column $-I$ | Column $-II$ |
| $(A)$ Aniline | $(i)$ Red colour with $FeCl_3$ |
| $(B)$ Benzene sulfonic acid | $(ii)$ Violet colour with sodium nitroprusside |
| $(C)$ Thiourea | $(iii)$ Blue colour with hot and acidic solution of $FeSO_ 4$ |
